./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/unroll-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5393d9cf3b7cc0865f031a716dd61208c034931418b29464b30da9c6eaf669bf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:29:45,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:29:45,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:29:45,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:29:45,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:29:45,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:29:45,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:29:45,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:29:45,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:29:45,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:29:45,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:29:45,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:29:45,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:29:45,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:29:45,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:29:45,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:29:45,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:29:45,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:29:45,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:29:45,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:29:45,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:29:45,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:29:45,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:29:45,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:29:45,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:29:45,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:29:45,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:29:45,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:29:45,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:29:45,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:29:45,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:29:45,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:29:45,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:29:45,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:29:45,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:29:45,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:29:45,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:29:45,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:29:45,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:29:45,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:29:45,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:29:45,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:29:45,163 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:29:45,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:29:45,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:29:45,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:29:45,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:29:45,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:29:45,172 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:29:45,172 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:29:45,172 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:29:45,173 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:29:45,174 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:29:45,174 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:29:45,174 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:29:45,174 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:29:45,175 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:29:45,175 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:29:45,175 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:29:45,175 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:29:45,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:29:45,176 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:29:45,176 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:29:45,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:29:45,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:29:45,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:29:45,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:29:45,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:29:45,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:29:45,180 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:29:45,180 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:29:45,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:29:45,181 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:29:45,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:29:45,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:29:45,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:29:45,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:29:45,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:29:45,183 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:29:45,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:29:45,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:29:45,184 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:29:45,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:29:45,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:29:45,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:29:45,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5393d9cf3b7cc0865f031a716dd61208c034931418b29464b30da9c6eaf669bf [2022-11-03 02:29:45,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:29:45,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:29:45,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:29:45,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:29:45,486 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:29:45,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/weaver/unroll-2.wvr.c [2022-11-03 02:29:45,561 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/data/d7211951c/c188665812f84ba0b1acfe29275dcbf0/FLAG5fad8a71b [2022-11-03 02:29:46,125 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:29:46,125 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/sv-benchmarks/c/weaver/unroll-2.wvr.c [2022-11-03 02:29:46,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/data/d7211951c/c188665812f84ba0b1acfe29275dcbf0/FLAG5fad8a71b [2022-11-03 02:29:46,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/data/d7211951c/c188665812f84ba0b1acfe29275dcbf0 [2022-11-03 02:29:46,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:29:46,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:29:46,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:29:46,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:29:46,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:29:46,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e12177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46, skipping insertion in model container [2022-11-03 02:29:46,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:29:46,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:29:46,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/sv-benchmarks/c/weaver/unroll-2.wvr.c[2428,2441] [2022-11-03 02:29:46,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:29:46,722 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:29:46,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/sv-benchmarks/c/weaver/unroll-2.wvr.c[2428,2441] [2022-11-03 02:29:46,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:29:46,770 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:29:46,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46 WrapperNode [2022-11-03 02:29:46,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:29:46,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:29:46,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:29:46,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:29:46,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,824 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 246 [2022-11-03 02:29:46,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:29:46,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:29:46,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:29:46,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:29:46,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,861 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:29:46,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:29:46,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:29:46,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:29:46,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (1/1) ... [2022-11-03 02:29:46,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:29:46,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:29:46,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:29:46,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:29:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:29:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-03 02:29:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-03 02:29:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-03 02:29:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-03 02:29:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:29:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:29:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:29:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:29:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:29:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:29:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:29:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:29:46,980 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:29:47,121 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:29:47,123 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:29:47,701 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:29:47,713 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:29:47,713 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:29:47,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:29:47 BoogieIcfgContainer [2022-11-03 02:29:47,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:29:47,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:29:47,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:29:47,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:29:47,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:29:46" (1/3) ... [2022-11-03 02:29:47,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c6ddc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:29:47, skipping insertion in model container [2022-11-03 02:29:47,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:46" (2/3) ... [2022-11-03 02:29:47,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c6ddc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:29:47, skipping insertion in model container [2022-11-03 02:29:47,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:29:47" (3/3) ... [2022-11-03 02:29:47,725 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2022-11-03 02:29:47,734 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:29:47,745 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:29:47,745 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-03 02:29:47,745 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:29:47,919 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-03 02:29:47,975 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:29:47,996 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 319 transitions, 654 flow [2022-11-03 02:29:48,007 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 319 transitions, 654 flow [2022-11-03 02:29:48,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 309 places, 319 transitions, 654 flow [2022-11-03 02:29:48,125 INFO L130 PetriNetUnfolder]: 17/317 cut-off events. [2022-11-03 02:29:48,125 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-03 02:29:48,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 317 events. 17/317 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 503 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 176. Up to 2 conditions per place. [2022-11-03 02:29:48,146 INFO L118 LiptonReduction]: Number of co-enabled transitions 15876 [2022-11-03 02:29:59,959 INFO L133 LiptonReduction]: Checked pairs total: 50715 [2022-11-03 02:29:59,960 INFO L135 LiptonReduction]: Total number of compositions: 401 [2022-11-03 02:29:59,975 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 89 transitions, 194 flow [2022-11-03 02:30:00,186 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4757 states, 4445 states have (on average 3.202474690663667) internal successors, (14235), 4756 states have internal predecessors, (14235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:00,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:30:00,219 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@9b116f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:30:00,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2022-11-03 02:30:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 4757 states, 4445 states have (on average 3.202474690663667) internal successors, (14235), 4756 states have internal predecessors, (14235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:00,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-03 02:30:00,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:00,244 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-03 02:30:00,245 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-03 02:30:00,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:00,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1263, now seen corresponding path program 1 times [2022-11-03 02:30:00,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:00,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930236364] [2022-11-03 02:30:00,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:00,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:00,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:00,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:00,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930236364] [2022-11-03 02:30:00,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930236364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:00,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:00,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-03 02:30:00,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483260330] [2022-11-03 02:30:00,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:00,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:30:00,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:00,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:30:00,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:30:00,406 INFO L87 Difference]: Start difference. First operand has 4757 states, 4445 states have (on average 3.202474690663667) internal successors, (14235), 4756 states have internal predecessors, (14235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:00,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:00,556 INFO L93 Difference]: Finished difference Result 1990 states and 5537 transitions. [2022-11-03 02:30:00,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:30:00,559 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-03 02:30:00,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:00,593 INFO L225 Difference]: With dead ends: 1990 [2022-11-03 02:30:00,593 INFO L226 Difference]: Without dead ends: 1987 [2022-11-03 02:30:00,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:30:00,600 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:00,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:30:00,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2022-11-03 02:30:00,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1987. [2022-11-03 02:30:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1968 states have (on average 2.8109756097560976) internal successors, (5532), 1986 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 5532 transitions. [2022-11-03 02:30:00,836 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 5532 transitions. Word has length 1 [2022-11-03 02:30:00,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:00,837 INFO L495 AbstractCegarLoop]: Abstraction has 1987 states and 5532 transitions. [2022-11-03 02:30:00,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:00,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 5532 transitions. [2022-11-03 02:30:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 02:30:00,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:00,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:00,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:30:00,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-03 02:30:00,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:00,843 INFO L85 PathProgramCache]: Analyzing trace with hash -2110604926, now seen corresponding path program 1 times [2022-11-03 02:30:00,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:00,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156868177] [2022-11-03 02:30:00,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:00,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:01,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:01,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156868177] [2022-11-03 02:30:01,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156868177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:01,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:01,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:30:01,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464744853] [2022-11-03 02:30:01,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:01,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:01,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:01,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:01,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:01,180 INFO L87 Difference]: Start difference. First operand 1987 states and 5532 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:01,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:01,265 INFO L93 Difference]: Finished difference Result 1988 states and 5533 transitions. [2022-11-03 02:30:01,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:01,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-03 02:30:01,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:01,282 INFO L225 Difference]: With dead ends: 1988 [2022-11-03 02:30:01,283 INFO L226 Difference]: Without dead ends: 1988 [2022-11-03 02:30:01,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:01,285 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:01,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:30:01,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-11-03 02:30:01,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1988. [2022-11-03 02:30:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1988 states, 1969 states have (on average 2.810055865921788) internal successors, (5533), 1987 states have internal predecessors, (5533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:01,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 5533 transitions. [2022-11-03 02:30:01,354 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 5533 transitions. Word has length 9 [2022-11-03 02:30:01,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:01,355 INFO L495 AbstractCegarLoop]: Abstraction has 1988 states and 5533 transitions. [2022-11-03 02:30:01,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 5533 transitions. [2022-11-03 02:30:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:30:01,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:01,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:01,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:30:01,358 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-03 02:30:01,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:01,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1906601450, now seen corresponding path program 1 times [2022-11-03 02:30:01,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:01,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963756926] [2022-11-03 02:30:01,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:01,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:30:01,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:01,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963756926] [2022-11-03 02:30:01,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963756926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:01,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:01,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:30:01,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202158050] [2022-11-03 02:30:01,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:01,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:30:01,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:01,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:30:01,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:01,715 INFO L87 Difference]: Start difference. First operand 1988 states and 5533 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:02,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:02,123 INFO L93 Difference]: Finished difference Result 1728 states and 4753 transitions. [2022-11-03 02:30:02,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:30:02,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 02:30:02,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:02,134 INFO L225 Difference]: With dead ends: 1728 [2022-11-03 02:30:02,135 INFO L226 Difference]: Without dead ends: 1728 [2022-11-03 02:30:02,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:02,136 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 60 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:02,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 66 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:30:02,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-11-03 02:30:02,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1728. [2022-11-03 02:30:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1728 states, 1717 states have (on average 2.7682003494467096) internal successors, (4753), 1727 states have internal predecessors, (4753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 4753 transitions. [2022-11-03 02:30:02,191 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 4753 transitions. Word has length 10 [2022-11-03 02:30:02,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:02,192 INFO L495 AbstractCegarLoop]: Abstraction has 1728 states and 4753 transitions. [2022-11-03 02:30:02,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:02,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 4753 transitions. [2022-11-03 02:30:02,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:30:02,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:02,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:02,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:30:02,195 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-03 02:30:02,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:02,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1347263695, now seen corresponding path program 1 times [2022-11-03 02:30:02,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:02,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011124965] [2022-11-03 02:30:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:30:02,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:02,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011124965] [2022-11-03 02:30:02,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011124965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:02,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:02,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:30:02,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482576765] [2022-11-03 02:30:02,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:02,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:02,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:02,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:02,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:02,237 INFO L87 Difference]: Start difference. First operand 1728 states and 4753 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:02,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:02,327 INFO L93 Difference]: Finished difference Result 1860 states and 5097 transitions. [2022-11-03 02:30:02,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:02,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:30:02,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:02,339 INFO L225 Difference]: With dead ends: 1860 [2022-11-03 02:30:02,339 INFO L226 Difference]: Without dead ends: 1860 [2022-11-03 02:30:02,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:02,340 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 43 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:02,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 49 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:30:02,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2022-11-03 02:30:02,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1643. [2022-11-03 02:30:02,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1643 states, 1635 states have (on average 2.763302752293578) internal successors, (4518), 1642 states have internal predecessors, (4518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 4518 transitions. [2022-11-03 02:30:02,405 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 4518 transitions. Word has length 11 [2022-11-03 02:30:02,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:02,406 INFO L495 AbstractCegarLoop]: Abstraction has 1643 states and 4518 transitions. [2022-11-03 02:30:02,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 4518 transitions. [2022-11-03 02:30:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 02:30:02,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:02,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:02,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:30:02,409 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-03 02:30:02,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:02,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1834120905, now seen corresponding path program 1 times [2022-11-03 02:30:02,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:02,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986891181] [2022-11-03 02:30:02,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:02,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:30:02,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:02,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986891181] [2022-11-03 02:30:02,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986891181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:02,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:02,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:30:02,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044974293] [2022-11-03 02:30:02,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:02,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:30:02,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:02,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:30:02,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:02,715 INFO L87 Difference]: Start difference. First operand 1643 states and 4518 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:03,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:03,031 INFO L93 Difference]: Finished difference Result 1527 states and 4191 transitions. [2022-11-03 02:30:03,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:30:03,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-03 02:30:03,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:03,039 INFO L225 Difference]: With dead ends: 1527 [2022-11-03 02:30:03,040 INFO L226 Difference]: Without dead ends: 1527 [2022-11-03 02:30:03,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:03,042 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 36 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:03,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 48 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:30:03,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2022-11-03 02:30:03,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1527. [2022-11-03 02:30:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1527 states, 1522 states have (on average 2.7536136662286466) internal successors, (4191), 1526 states have internal predecessors, (4191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:03,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 4191 transitions. [2022-11-03 02:30:03,091 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 4191 transitions. Word has length 14 [2022-11-03 02:30:03,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:03,092 INFO L495 AbstractCegarLoop]: Abstraction has 1527 states and 4191 transitions. [2022-11-03 02:30:03,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 4191 transitions. [2022-11-03 02:30:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 02:30:03,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:03,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:03,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:30:03,099 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-03 02:30:03,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:03,099 INFO L85 PathProgramCache]: Analyzing trace with hash 147150798, now seen corresponding path program 1 times [2022-11-03 02:30:03,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:03,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620602850] [2022-11-03 02:30:03,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:03,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:30:03,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:03,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620602850] [2022-11-03 02:30:03,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620602850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:03,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:03,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:30:03,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534150884] [2022-11-03 02:30:03,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:03,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:30:03,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:03,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:30:03,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:03,342 INFO L87 Difference]: Start difference. First operand 1527 states and 4191 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:03,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:03,620 INFO L93 Difference]: Finished difference Result 1369 states and 3755 transitions. [2022-11-03 02:30:03,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:30:03,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-03 02:30:03,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:03,629 INFO L225 Difference]: With dead ends: 1369 [2022-11-03 02:30:03,629 INFO L226 Difference]: Without dead ends: 1337 [2022-11-03 02:30:03,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:03,633 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 33 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:03,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 42 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:30:03,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2022-11-03 02:30:03,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1337. [2022-11-03 02:30:03,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1336 states have (on average 2.7627245508982035) internal successors, (3691), 1336 states have internal predecessors, (3691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 3691 transitions. [2022-11-03 02:30:03,691 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 3691 transitions. Word has length 14 [2022-11-03 02:30:03,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:03,692 INFO L495 AbstractCegarLoop]: Abstraction has 1337 states and 3691 transitions. [2022-11-03 02:30:03,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 3691 transitions. [2022-11-03 02:30:03,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:30:03,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:03,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:03,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:30:03,695 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-03 02:30:03,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:03,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1186798907, now seen corresponding path program 1 times [2022-11-03 02:30:03,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:03,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611128900] [2022-11-03 02:30:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:03,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:30:04,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:04,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611128900] [2022-11-03 02:30:04,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611128900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:04,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:04,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:30:04,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717336486] [2022-11-03 02:30:04,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:04,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:30:04,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:04,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:30:04,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:04,014 INFO L87 Difference]: Start difference. First operand 1337 states and 3691 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:04,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:04,219 INFO L93 Difference]: Finished difference Result 1320 states and 3657 transitions. [2022-11-03 02:30:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:30:04,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-03 02:30:04,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:04,220 INFO L225 Difference]: With dead ends: 1320 [2022-11-03 02:30:04,220 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:30:04,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:04,221 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 27 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:04,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 47 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:30:04,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:30:04,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:30:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:30:04,222 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-11-03 02:30:04,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:04,222 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:30:04,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:30:04,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:30:04,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (58 of 59 remaining) [2022-11-03 02:30:04,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2022-11-03 02:30:04,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2022-11-03 02:30:04,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2022-11-03 02:30:04,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2022-11-03 02:30:04,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2022-11-03 02:30:04,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2022-11-03 02:30:04,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2022-11-03 02:30:04,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2022-11-03 02:30:04,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2022-11-03 02:30:04,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2022-11-03 02:30:04,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2022-11-03 02:30:04,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2022-11-03 02:30:04,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2022-11-03 02:30:04,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2022-11-03 02:30:04,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2022-11-03 02:30:04,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2022-11-03 02:30:04,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2022-11-03 02:30:04,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2022-11-03 02:30:04,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2022-11-03 02:30:04,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2022-11-03 02:30:04,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2022-11-03 02:30:04,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2022-11-03 02:30:04,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2022-11-03 02:30:04,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2022-11-03 02:30:04,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2022-11-03 02:30:04,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2022-11-03 02:30:04,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2022-11-03 02:30:04,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2022-11-03 02:30:04,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2022-11-03 02:30:04,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2022-11-03 02:30:04,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2022-11-03 02:30:04,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2022-11-03 02:30:04,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2022-11-03 02:30:04,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 59 remaining) [2022-11-03 02:30:04,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 59 remaining) [2022-11-03 02:30:04,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2022-11-03 02:30:04,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2022-11-03 02:30:04,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2022-11-03 02:30:04,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2022-11-03 02:30:04,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2022-11-03 02:30:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2022-11-03 02:30:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2022-11-03 02:30:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2022-11-03 02:30:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2022-11-03 02:30:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2022-11-03 02:30:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2022-11-03 02:30:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2022-11-03 02:30:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2022-11-03 02:30:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2022-11-03 02:30:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2022-11-03 02:30:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2022-11-03 02:30:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2022-11-03 02:30:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2022-11-03 02:30:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2022-11-03 02:30:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2022-11-03 02:30:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2022-11-03 02:30:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2022-11-03 02:30:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2022-11-03 02:30:04,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:30:04,249 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:04,254 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 02:30:04,254 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:30:04,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:30:04 BasicIcfg [2022-11-03 02:30:04,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:30:04,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:30:04,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:30:04,258 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:30:04,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:29:47" (3/4) ... [2022-11-03 02:30:04,261 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:30:04,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-03 02:30:04,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-03 02:30:04,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-03 02:30:04,273 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 02:30:04,273 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:30:04,273 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:30:04,313 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:30:04,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:30:04,314 INFO L158 Benchmark]: Toolchain (without parser) took 17862.11ms. Allocated memory was 117.4MB in the beginning and 278.9MB in the end (delta: 161.5MB). Free memory was 82.0MB in the beginning and 130.3MB in the end (delta: -48.4MB). Peak memory consumption was 113.0MB. Max. memory is 16.1GB. [2022-11-03 02:30:04,315 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 98.4MB in the beginning and 98.3MB in the end (delta: 116.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:30:04,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.89ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 91.5MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:30:04,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.69ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 89.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:30:04,316 INFO L158 Benchmark]: Boogie Preprocessor took 41.09ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 86.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:30:04,316 INFO L158 Benchmark]: RCFGBuilder took 849.39ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 61.6MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-03 02:30:04,317 INFO L158 Benchmark]: TraceAbstraction took 16539.43ms. Allocated memory was 117.4MB in the beginning and 278.9MB in the end (delta: 161.5MB). Free memory was 61.1MB in the beginning and 133.5MB in the end (delta: -72.4MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2022-11-03 02:30:04,317 INFO L158 Benchmark]: Witness Printer took 55.98ms. Allocated memory is still 278.9MB. Free memory was 133.5MB in the beginning and 130.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:30:04,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 98.4MB in the beginning and 98.3MB in the end (delta: 116.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.89ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 91.5MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.69ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 89.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.09ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 86.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 849.39ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 61.6MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16539.43ms. Allocated memory was 117.4MB in the beginning and 278.9MB in the end (delta: 161.5MB). Free memory was 61.1MB in the beginning and 133.5MB in the end (delta: -72.4MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. * Witness Printer took 55.98ms. Allocated memory is still 278.9MB. Free memory was 133.5MB in the beginning and 130.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.0s, 309 PlacesBefore, 88 PlacesAfterwards, 319 TransitionsBefore, 89 TransitionsAfterwards, 15876 CoEnabledTransitionPairs, 9 FixpointIterations, 150 TrivialSequentialCompositions, 191 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 29 ConcurrentYvCompositions, 9 ChoiceCompositions, 401 TotalNumberOfCompositions, 50715 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28657, positive: 27966, positive conditional: 0, positive unconditional: 27966, negative: 691, negative conditional: 0, negative unconditional: 691, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12901, positive: 12757, positive conditional: 0, positive unconditional: 12757, negative: 144, negative conditional: 0, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12901, positive: 12050, positive conditional: 0, positive unconditional: 12050, negative: 851, negative conditional: 0, negative unconditional: 851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 851, positive: 707, positive conditional: 0, positive unconditional: 707, negative: 144, negative conditional: 0, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1727, positive: 1321, positive conditional: 0, positive unconditional: 1321, negative: 406, negative conditional: 0, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28657, positive: 15209, positive conditional: 0, positive unconditional: 15209, negative: 547, negative conditional: 0, negative unconditional: 547, unknown: 12901, unknown conditional: 0, unknown unconditional: 12901] , Statistics on independence cache: Total cache size (in pairs): 1440, Positive cache size: 1382, Positive conditional cache size: 0, Positive unconditional cache size: 1382, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 450 locations, 59 error locations. Started 1 CEGAR loops. OverallTime: 16.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 327 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 271 mSDsCounter, 186 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 942 IncrementalHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 186 mSolverCounterUnsat, 211 mSDtfsCounter, 942 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4757occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 217 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-03 02:30:04,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca77d1b8-ed38-4895-a011-5ae1b67b4aee/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE